while(0<1)println{val a=readLine split' ' "CXO"((0/:"{\xc7\x88\xcc\x95\xc2\x93\xc4\x82\xc5\xb1\xc2\x9f\xc5\xa5")((z,c)=>z|a.indexWhere(+c+""diff _ isEmpty)+1))}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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